| Altenberge to Oria | 931.91 mi (1,499.77 km) |
| Altenberge to Oristano | 840.51 mi (1,352.67 km) |
| Altenberge to Orta Nova | 835.91 mi (1,345.27 km) |
| Altenberge to Orte | 700.94 mi (1,128.05 km) |
| Altenberge to Ortona | 744.02 mi (1,197.39 km) |
| Altenberge to Orvieto | 679.76 mi (1,093.97 km) |
| Altenberge to Orzinuovi | 472.68 mi (760.71 km) |
| Altenberge to Osimo | 653.76 mi (1,052.13 km) |
| Altenberge to Ospitaletto | 463.81 mi (746.43 km) |
| Altenberge to Ostuni | 916.44 mi (1,474.87 km) |
| Altenberge to Ottaviano | 841.56 mi (1,354.35 km) |
| Altenberge to Ovada | 514.59 mi (828.16 km) |
| Altenberge to Ozieri | 795.22 mi (1,279.78 km) |
| Altenberge to Paceco | 1,002.23 mi (1,612.94 km) |
| Altenberge to Pachino | 1,122.72 mi (1,806.85 km) |
